rpmsg: virtio: Free driver_override when rpmsg_remove()

{
  "id": "5da1c56328057c07d415224cd854f9487251f6592cad7fa72667c95c1c4733c0",
  "url": "https://osv.dev/vulnerability/CVE-2023-52670",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "rpmsg: virtio: Free driver_override when rpmsg_remove()",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: rpmsg: virtio: Free driver_override when rpmsg_remove() Free driver_override when rpmsg_remove(), otherwise the following memory leak will occur: unreferenced object 0xffff0000d55d7080 (size 128): comm \"kworker/u8:2\", pid 56, jiffies 4294893188 (age 214.272s) hex dump (first 32 bytes): 72 70 6d 73 67 5f 6e 73 00 00 00 00 00 00 00 00 rpmsg_ns........ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<000000009c94c9c1>] __kmem_cache_alloc_node+0x1f8/0x320 [<000000002300d89b>] __kmalloc_node_track_caller+0x44/0x70 [<00000000228a60c3>] kstrndup+0x4c/0x90 [<0000000077158695>] driver_set_override+0xd0/0x164 [<000000003e9c4ea5>] rpmsg_register_device_override+0x98/0x170 [<000000001c0c89a8>] rpmsg_ns_register_device+0x24/0x30 [<000000008bbf8fa2>] rpmsg_probe+0x2e0/0x3ec [<00000000e65a68df>] virtio_dev_probe+0x1c0/0x280 [<00000000443331cc>] really_probe+0xbc/0x2dc [<00000000391064b1>] __driver_probe_device+0x78/0xe0 [<00000000a41c9a5b>] driver_probe_device+0xd8/0x160 [<000000009c3bd5df>] __device_attach_driver+0xb8/0x140 [<0000000043cd7614>] bus_for_each_drv+0x7c/0xd4 [<000000003b929a36>] __device_attach+0x9c/0x19c [<00000000a94e0ba8>] device_initial_probe+0x14/0x20 [<000000003c999637>] bus_probe_device+0xa0/0xac",
    "evidence": "osv:CVE-2023-52670",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "4.19.307",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.4.269",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.10.210",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.15.149",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.1.76",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.6.15",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.7.3",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "medium",
    "structured": {
      "id": "CVE-2023-52670",
      "aliases": [
        "CVE-2023-52670"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
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              "type": "GIT",
              "events": [
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                },
                {
                  "fixed": "dd50fe18c234bd5ff22f658f4d414e8fa8cd6a5d"
                },
                {
                  "fixed": "69ca89d80f2c8a1f5af429b955637beea7eead30"
                },
                {
                  "fixed": "2d27a7b19cb354c6d04bcdc9239e261ff29858d6"
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                {
                  "fixed": "f4bb1d5daf77b1a95a43277268adf0d1430c2346"
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                {
                  "fixed": "4e6cef3fae5c164968118a13f3fe293700adc81a"
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                {
                  "fixed": "9a416d624e5fb7246ea97c11fbfea7e0e27abf43"
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                {
                  "fixed": "d5362c37e1f8a40096452fc201c30e705750e687"
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              ]
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          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-52670.json"
          }
        },
        {
          "ranges": [
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              "type": "ECOSYSTEM",
              "events": [
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                  "introduced": "4.13.0"
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              ]
            },
            {
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                {
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              ]
            },
            {
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          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
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          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-52670.json"
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      ],
      "modified": "2026-10-28T02:30:45.595524655Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/229ce47cbfdc7d3a9415eb676abbfb77d676cb08",
        "https://git.kernel.org/stable/c/2d27a7b19cb354c6d04bcdc9239e261ff29858d6",
        "https://git.kernel.org/stable/c/4e6cef3fae5c164968118a13f3fe293700adc81a",
        "https://git.kernel.org/stable/c/69ca89d80f2c8a1f5af429b955637beea7eead30",
        "https://git.kernel.org/stable/c/9a416d624e5fb7246ea97c11fbfea7e0e27abf43",
        "https://git.kernel.org/stable/c/d5362c37e1f8a40096452fc201c30e705750e687",
        "https://git.kernel.org/stable/c/dd50fe18c234bd5ff22f658f4d414e8fa8cd6a5d",
        "https://git.kernel.org/stable/c/f4bb1d5daf77b1a95a43277268adf0d1430c2346",
        "https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html",
        "https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/52xxx/CVE-2023-52670.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-52670",
        "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
      ],
      "provider_metadata": {
        "cna_assigner": "Linux",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/52xxx/CVE-2023-52670.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2023-52670",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 513552,
  "published_at": "2024-05-17T14:02:01.617+00:00"
}